Hi louizoz, even after those 3 colonics your colon may not be completely free of old hardened waste matter, so I would highly recommend periodic cleansing enemas at home as an added assist. Your constipation problems didn't begin overnight, and relief won't come overnight either.
If you don't already have an enema bag or bucket, it's a worthwhile and inexpensive investment.
If you are not familiar with how to go about giving yourself an enema, here are some links that may prove helpful: